Hamachi network problem

I've been having some issues with hamachi for a while now and i have no clue on how to fix this. When i start hamachi i get an error message saying

Code:

Failed to connect to Hamachi network adapter.
If you just installed or updated the application, please
try restarting Hamachi in a few seconds. If the problem
persists please report the incident in Tech Support
Forums at http://forums.hamachi.cc